<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>18_文本修饰</title>
<style>
    h1{
        font-size: 100px;
        /*text-decoration为文本修饰属性*/
        /*text-decoration-line: overline;*/
        /*text-decoration-style: dashed;*/
        /*text-decoration-color: orange;*/
        text-decoration: orange overline wavy 20px;
    }
</style>
</head>
<body>
<h1>你好啊,欢迎学习前端</h1>
</body>
</html>